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infinite scroll

Aachman Agarwal answered on July 25, 2022 Popularity 10/10 Helpfulness 2/10

answer infinite scroll

infinite scroll

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const imageContainer = document.getElementById('image-container');
const loader = document.getElementById('loader');
 
let ready = false;
let imagesLoaded = 0;
let totalImages = 0;
let photosArray = [];
 
// Unsplash API
const count = 5;
const apiKey = 'b1W7HIIRrZOO4tZTNaVVBLRx7L7q810zjqEjxj3OAeY'
const apiUrl = `https://api.unsplash.com/photos/random/?client_id=${apiKey}&count=${count}`
 
function imageLoaded() {
    imagesLoaded++;
    if (imagesLoaded === totalImages) {
        ready = true;
        loader.hidden = true;
        count = 30;
        piUrl = `https://api.unsplash.com/photos/random/?client_id=${apiKey}&count=${count}`
    }
}
 
function setAttributes(element, attributes) {
    for (const key in attributes) {
        element.setAttribute(key, attributes[key])
    }
}
 
// Create Elements For LInks & Photos, Add to DOM
function displayPhotos() {
    imagesLoaded = 0;
    totalImages = photosArray.length;
    // Run function for each object in photosArray
    photosArray.forEach((photo) => {
        const item = document.createElement('a');
        setAttributes(item, {
            href: photo.links.html,
            target: '_blank',
        });
 
        const img = document.createElement('img');
        setAttributes(img, {
            src: photo.urls.regular,
            alt: photo.alt_desciption,
            title: photo.alt_desciption,
        })
 
        img.addEventListener('load', imageLoaded);
 
        item.appendChild(img);
        imageContainer.appendChild(item);
    });
}
 
//Get photos from Unsplah API
async function getPhotos() {
    try {
        const response = await fetch(apiUrl);
        photosArray = await response.json();
        displayPhotos();
 
    } catch (error) {
        // Catch Error hERE
    }
}
 
window.addEventListener('scroll', () => {
    if (window.innerHeight + window.scrollY >= document.body.offsetHeight - 1000 & ready) {
        ready = false;
        getPhotos();
    }
})
 
getPhotos()

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: infinite-scroll javascript

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Contributed on Jul 25 2022

Aachman Agarwal

0 Answers Avg Quality 2/10

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